package com.etc.mapper;

import com.etc.entity.User;

public interface RegisterMapper {
    //判断用户名是否存在
    User registerName(String username);
    //判断手机号是否存在
    User registerPhone(String phone);
    //判断邮箱是否存在
    User registerEmail(String email);
    //保存用户
    void saveRegister(User user);

}
